subtree (the default)
onelevel (only finds the immediate child objects of the object referred to by the path)

Local Network Mode

The local network scanning can be a bit quirky and may not find all your machines.
In that case you should create a file containing a list of
remote machines (by name or IP, one per line) and start
Ninite like:

NiniteOne.exe /remote file:machines.txt

Note that this option can also be combined with other switches like
/silent: